Podcast:EconTalk Published On: Mon Jul 22 2019 Description: Photographer, author, and former Wall St. trader Chris Arnade talks about his book, Dignity, with EconTalk host Russ Roberts. Arnade quit his Wall Street trading job and criss-crossed America photographing and getting to know the addicted and homeless who struggle to find work and struggle to survive. The conversation centers on what Arnade learned about Americans and about himself.